Cigarette-machine cut-off



March 18 19 24.

R. E. RUNDELL CIGARETTE MACHINE CUT-OFF Filed March 24,

1522 2 Sheets-Sheet 1 NVENTO & ATTORNEY March 18 ,1924. 1,487,028

E. RUNDELL CIGARETTE MACHINE CUT-OFF Filed March 24. 1922 2 Sheets-Sheet 2 Patented Mar. 18, 1924.

RUPERT E. RUNDELL, OF BROOKLYN, NEW YORK, ASSIGIVOR TO AMERICAN. MACHINE & FOUNDRY COMPANY, A. CORPORATION OF NEW JERSEY.

CIGARETTE-MACHINE CUT-OFF.

Applicationfiled March.- 24, 1922. Serial No. 546,331.

To all whom it may concern:

Be it known that I, RUPERT E. RUNDELL, a citizen of the United States, residing at Brooklyn, county of Kings, and State of New York, have invented a new and useful Improvement in a Cigarette-Machine Cut-Off, of which the following is a specification.

This invention relates to, an improvement in a cigarette machine cutoff, particularly to the type in which a rapidly rotating circular knife moves in an orbital path to intercept the cigarette rod passing through a reciprocating cigarette rod guide.

In cigarette machine cutoffs of this type heretofore in commercial use, the orbital movement of the rotating knife was either in a plane including the axis of the cigarette rod guide, or at right angles thereto. The main object of the present invention is the production of a cutoff device of this general character in which the knife is moved in an orbit oblique to the cigarette rod guide, for by so constructing the device the same cutoff may be used in conjunction with the same cigarette machine to produce oi arettes of different lengths. WVith this an other objects not specifically mentioned in View, the invention consists in certain constructions and combinations which will be hereinafter fully described and then specifically set forth in the claims hereunto appended. In the accompanying drawings, which form a part of this specification and in which like characters of reference indicate the same or like parts, Fig. 1 is a side elevatibn of a device constructed in accordance with the invention and shown as it is mounted 011 a cigarette machine bed; and Fig. 2 is a plan view of the structure shown in Fig. 1.

In carrying the invention into effect, there is provided a cigarette rod guide of the usual kind, a rapidly rotating circular knife of the usual kind. and means for moving the knife in an orbit oblique to the guide. In the best constructions, there is also provided means for adjusting the obliquity of the knife moving means in accordance with a desired change in the lengths of cigarettes to be out fromthe continuous rod; and also means for changing. the relative speed of the cigarette rod and the knife moving means in accordance with the change in obliquity,

these two changes being necessary whenever it is desired to change the lengths of the cig-' arettes made on the machine in connection with which this cut-oif-is used. The various means referred to may be varied widely in construction within the scope of the claims, for theparticular device selected to illustrate the invention is but one of many possible concrete embodiments of the same. The invention therefore is not to be re-' stricted to the precise details of the structure shown and described.

Referring to the drawings, 3 indicates the main bed of a cigarette machine of the well known Standard type. At one point, this bed 'is depressed and projecting beyond its side at the bottom of this depression is a boss 4 which forms the upper bearing for a vertical drive shaft 5. This drive shaft derives its motion from a power shaft 6 indicated by dotted lines in Fig. 2 through the agency of bevel gears indicated at 7, these elements being a part of the cigarette machine proper.

The main frame or mount of the cutoff mechanism is supported by the bed 3. It is provided with a depending boss 8 resting on the boss 4, and with a slotted foot 9 resting on the upper surface of the bed. The boss 8 is hollow, and the drive shaft 5 projects upwardly through it and upon its upper end carries a spiral drive pinion 10. The entire cutoff mount is horizontally swingable on the drive shaft 5 and is held in adjusted position by means of a clamp screw 11 passing1 through the slot of the foot 9 into the be 3. v

The cutoff mechanism includes a cigarette rod guide 12 and ledger plate13 of the usual knife 19 coacting with the ledger plate 13 and cigarette rod guide 12 in the usual manner. This knife is mounted on and rotated by a shaft 20 also carrying a pulley 21 over which runs a belt 22. This belt also runs over a large pulley 23 and under an adjustable idler pulley 24. The pulley 23 is the driver for the knife belt and is fast on av crankpin 25 carried by a crank 26 'driven by a shaft 27. Between the pulley 23 and the crank 26, the crankpin 25 is loosely mounted in one end of a flying frame 28, the opposite end of this flying frame being similarly carried by a crankpin 29 fast in a crank 30 driven by a shaft 31. The shafts 27 and 31 are in parallelism and mounted in a vertically movable bracket 32 mounted in a dovetail slideway 33 formed in the upstanding part 34 of the main frame or mount of the device. The bracket 32 is raised or lowered by means of an adjusting screw 35 operating in a well known manner to adjust the device as the cutoff knife wears away.

The shaft 27 carries a spiral gear 36 which i is in mesh with an idle spiral gear 37 in turn in mesh with a spiral gear 38 fast on an upright shaft 39. The shaft 31 carries a spiral gear 40 also in mesh with the gear 38; Fast on the lower end of the shaft 39 is a spiral gear 41, and this gear is in mesh with an idle spiral gear 42 driven by the drive gear 10 before referred to. By means i of the train of gears just described, the flying frame 28 and all that it carries is moved in an orbit obli ue to thecigarette rod guide 12. The obliqulty of the orbital movement may be varied by loosening the clamp screw 11, swinging the whole cutoff mechanism about the drive shaft 5 until the desired angularity is reached, and then re-clamping it in adjusted position.

The knife shaft 20 before referred to is journaled in a bracket 43 pivoted on a vertical pin 44 mounted in the flying frame 28, between two guide pulleys 45-45 for the belt 22. This bracket rests on a projecting ledge 46 of the flying frame and is secured thereto by means of a clamp screw 47 working through a slot 48 in the bracket 43. The purpose of this part of the structure is to provide means whereby the knife may be properly readjusted with respect to the ledger plate when the obliquity of the-device is changed. Thelpost 18 is carried by the bracket 43 and as the bracket moves in its oblique orbital path the post follows the same path, sliding up and down and laterally in the slot 17 of the bar 15. It thus reciprocates the cigarette rod guide in strict accordance with the obliquity of the mount setting.

When obliquity of the orbital movement of the knife is changed, the fore and aftmemes as the case may be. lit is then necessary to readjust the relative speed of the clgarette rod and the knife moving means. Thisis 39 and held in adjusted position in a well known manner by means of a clamp screw indicated at 50.

In view of the foregoing, a detailed description of the operation of the device is deemed unnecessary and is therefore omitted in the interest of brevity.

mat is claimed is:

1. In a cigarette cutofl mechanism, the combination with a cigarette rod guide, of a flying frame, a cutofl knife carried by said frame, and means for moving said frame in an orbit oblique to said guide.

2. In a cigarette cutofl mechanism, the combination with a cigarette rod guide, of a flying frame, a cutofl' knife carried by said frame, means for moving said frame in an orbit oblique to said guide, and means for adjusting the relative position of said guide and said moving means.-

3. In a cigarette cutofl' mechanism, the combination with a cigarette rod guide, of a flying frame, a cutoff knife carried by said frame, means for moving said frame in an orbit oblique to said guide, and means for adjusting said moving means toward said guide as said knife wears away.

4. In a cigarette cutofl mechanism, the combination with a cigarette rod guide,of a flying frame, a cutoff knife carried by said frame, means. for moving said frame in an orbit oblique to said guide, and means for adjusting the obliquity of said moving means in accordance with a change in length of cigarettes to be cut from said cigarette rod.

5. In a cigarette cutofi' mechanism, the combination with a cigarette rod guide, of a cutofl knife, means for moving said knife in an orbit oblique to said guide and includabout said shaft.

6. In a cigarette cutofl mechanism, the combination with a cigarette rod guide, of a cutoff knife, means for moving said knife ing a drive shaft, and a mount swingable in an orbit oblique to said guide and includng a drive shaft, a mount swingable about said shaft, and means for clamping said mount in adjusted position.

7. In a cigarette cutofl mechanism, the combination with a cigarette rod guide, of a cutofl' knife, means for moving said knife in an orbit oblique to said guide and including a flying frame and a knife carrying bracket pivotally adjustable thereon and also including a drive shaft, a mount adjustably swingable about said shaft, and means for adjustably lowering said moving means on means, and means for changing the relative said mount. speed of said cigarette rod and said frame 8. In a cigarette cutofi" mechanism, the moving means. m

combination with a cigarette rod guide, of a In testimony whereof, I have signed my 5 flying frame, a cutoff knife earned by said name to this speclficatlon.

frame, means for movmg said frame 1n an orbit oblique to said guide and said moving RUPERT E. RUN DELL. 

